Table 2. Description of included mortality studies.

Investigators	Data source, study period, and median year	Time period in which death occurred	Excluded	Patients (n)	Perioperative mortality (n)	Anesthesia-related mortality (n)	Entirely anesthesia-related mortality (n)
Ruiz Neto & Amaral, 1986 [20]	Tertiary university hospital	OR	Cardiac surgery	51,422	99	9	-
	Medical records
	1982–1984
	1983
Cicarelli et al., 1998 [27]	Tertiary university hospital—Database	Up to	Cardiac surgery	25,926	129	2	2
		24 hours postoperative
	1995
	1995
Braz et al., 1999 [22]	Tertiary university hospital—Database	OR and PACU	-	58,553	124	5	-
	1988–1996
	1992
Chan & Auler Jr, 2002 [28]	Tertiary university hospital—Database	Up to	-	82,641	424	1	1
		24 hours postoperative
	1998–1999
	1999
Braz et al., 2006 [23]	Tertiary university hospital—Database	OR and PACU	-	53,718	-	6	3
	1996–2005
	2001
Sebbag et al., 2013 [24]	Tertiary university hospital—Database	Up to	Cardiac surgery	40,379	32	-	-
		24 hours postoperative
	2007
	2007
Carlucci et al., 2014 [26]	Tertiary university hospital—Database	OR and PACU	-	90,909	181	-	-
	1996–2009
	2003
Pignaton et al., 2016 [29]	Tertiary university hospital—Database	OR and PACU	-	55,002	88	0	0
	2005–2012
	2009
Stefani et al., 2018 [30]	Quaternary university hospital -Database	Up to	-	11,562	76	6	1
		48 hours postoperative
	2012–2013
	2013
Vane et al., 2019 [21]	Tertiary university hospital—Database 2007–2014	Up to	Cardiac surgery	167,574	86	-	-
		24 hours postoperative
			< 18 years
	2011

Abbreviations. OR: operating room; PACU: postanesthesia care unit